<template>
  <div>
    <!-- 面包屑导航区域 -->
    <el-breadcrumb separator="/">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片视图区域 -->
    <el-card class="box-card" shadow="never">
        <!-- 搜索与添加区域 -->
      <el-row :gutter="20">
        <el-col :span="10">
          <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getUserList">
            <el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="addDialogVisible =true">添加用户</el-button>
        </el-col>
      </el-row>
      <!-- 用户列表区域 -->
      <!-- 通过:data为表格指定数据源 -->
      <el-table :data="userList" border stripe>
        <el-table-column type="index"></el-table-column>
        <el-table-column
        label="姓名"
        prop="username"
        >
        </el-table-column>
        <el-table-column
        label="邮箱"
        prop="email"
        >
        </el-table-column>
        <el-table-column
        label="电话"
        prop="mobile"
        >
        </el-table-column>
        <el-table-column
        label="角色"
        prop="role_name"
        >
        </el-table-column>
         <el-table-column
        label="状态"
        >
        <template slot-scope="scope">
          <el-switch
            v-model="scope.row.mg_state"
            active-color="#13ce66"
            @change="userStateChange(scope.row)"
            inactive-color="#ff4949">
          </el-switch>
        </template>
        </el-table-column>
         <el-table-column label="操作">
         <template slot-scope="scope">
           <!-- 修改 -->
          <el-button type="primary" icon="el-icon-edit" size="mini" @click="showEditDialog(scope.row.id)"></el-button>
          <!-- 删除 -->
          <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeUserById(scope.row.id)"></el-button>
          <!-- 分配全选 -->
          <el-tooltip class="item" effect="dark" content="分配角色" placement="top" :enterable="false">
            <el-button @click="setRole(scope.row)" type="warning" icon="el-icon-setting" size="mini"></el-button>
          </el-tooltip>
        </template>
        </el-table-column>
      </el-table>

      <!-- 分页区域 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[1, 2, 5, 10]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total">
      </el-pagination>
    </el-card>

    <!-- 添加用户的对话框弹框 -->
    <el-dialog
      title="添加用户"
      :visible.sync="addDialogVisible"
      width="50%">
      <!-- 内容主体区域 -->
      <span>
        <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="70px" @close="addDialogClosed">
          <el-form-item label="用户名" prop="username">
            <el-input v-model="addForm.username"></el-input>
          </el-form-item>
          <el-form-item label="密码" prop="password">
            <el-input v-model="addForm.password" type="password"></el-input>
          </el-form-item>
          <el-form-item label="email" prop="email">
            <el-input v-model="addForm.email"></el-input>
          </el-form-item>
          <el-form-item label="手机" prop="mobile">
            <el-input v-model="addForm.mobile"></el-input>
          </el-form-item>
        </el-form>
      </span>
      <!-- 底部区域 -->
      <span slot="footer" class="dialog-footer">
        <el-button @click="addDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="addUser">确 定</el-button>
      </span>
    </el-dialog>
    <!-- 修改用户对象框 -->
    <el-dialog
      title="修改用户"
      :visible.sync="EditDialogVisible"
      @close="editDialogClosed"
      width="50%">
        <el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="80px">
          <el-form-item label="用户名">
            <el-input v-model="editForm.username" disabled></el-input>
         </el-form-item>
         <el-form-item label="邮箱" prop="email">
            <el-input v-model="editForm.email" ></el-input>
         </el-form-item>
         <el-form-item label="手机" prop="mobile">
            <el-input v-model="editForm.mobile" ></el-input>
         </el-form-item>
        </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="EditDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="EditUserInfo">确 定</el-button>
      </span>
    </el-dialog>
    <!-- 分配权限对话框 -->
    <el-dialog
      title="分配权限"
      @close="setRoleDialogClosed"
      :visible.sync="setRoleDialogVisible"
      width="50%">
      <div>
        <p>当前的用户:{{userInfo.username}}</p>
        <p>当前的角色:{{userInfo.role_name}}</p>
        <!--  -->
        <p> 分配新角色:<el-select v-model="selectedRoleId" placeholder="请选择">
        <el-option
          v-for="item in rolesLost"
          :key="item.id"
          :label="item.roleName"
          :value="item.id">
        </el-option>
      </el-select></p>
      </div>
      <span slot="footer" class="dialog-footer">
        <el-button @click="setRoleDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="saveRoleInfo">确 定</el-button>
      </span>
    </el-dialog>
  </div>
</template>
<script>
export default{
  data(){
    // 添加自定义校验规则
    // 验证邮箱
    var checkEmail =(rule,value,callback)=>{
      // 验证邮箱的正则
      const regEmail=/^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/
      if(regEmail.test(value)){
        // 合法邮箱
        return callback();
      }
      callback( Error("请输入合法的邮箱"));
    }
    // 验证手机号
    var checkMobile =(rule,value,callback)=>{
      // 验证邮箱的正则
      const regMobile=/^(0|86|17951)?(13[0-9]|15[0123456789]|17[678]|18[0-9]|14[57])[0-9]{8}$/
      if(regMobile.test(value)){
        // 合法邮箱
        return callback();
      }
      callback( Error("请输入合法的手机号码"));
    }
    return{
      // 获取用户列表参数
      queryInfo:{
        query:'',
        // 当前的页数
        pagenum:1,
        // 当前每页显示多少条数据
        pagesize:2
      },
      // 获取所有用户列表
      userList:[],
      //需要被分配角色的用户信息
      userInfo:{},
      // 所有角色的数据
      rolesLost:[],
      // 总数据条数
      total:0,

      // 控制添加用户对话框的显示或隐藏显示或隐藏对话框
      addDialogVisible:false,
       //控制修改对话框的显示与隐藏
    EditDialogVisible:false,
    //控制分配角色对话框的显示与隐藏
    setRoleDialogVisible:false,
    // 已选中的角色id值
    selectedRoleId:'',
      // 添加用户的表单数据
      addForm:{
        username:'',
        password:"",
        mobile:'',
        email:''
      },
      //查询到的用户信息对象
      editForm:{},
      // 添加表单的验证规则对象
      addFormRules:{
        username:[
           { required: true, message: '请输入用户名称', trigger: 'blur' },
           { min: 3, max: 8, message: '长度在 3 到 8 个字符', trigger: 'blur' }
        ],
        password:[
            { required: true, message: '请输入密码', trigger: 'blur' },
            { min: 5, max: 15, message: '长度在 5到 15 个字符', trigger: 'blur' }
        ],
        // 自定义校验规则
        email:[
          { required: true, message: '请输入邮箱号码', trigger: 'blur' },
          { validator: checkEmail, trigger: 'blur' }
        ],
        mobile:[
           { required: true, message: '请输入手机号码', trigger: 'blur' },
          { validator: checkMobile, trigger: 'blur' }
        ]
      },
      // 修改表单的验证规则对象
      editFormRules:{
        email:[
          { required: true, message: '请输入邮箱号码', trigger: 'blur' },
          { validator: checkEmail, trigger: 'blur' }
        ],
        mobile:[
           { required: true, message: '请输入手机号码', trigger: 'blur' },
          { validator: checkMobile, trigger: 'blur' }
        ]
      }
    }
  },
  created(){
    this.getUserList()
  },
  methods:{

    // 展示编辑用户的对话款
    showEditDialog(id){
      this.axios.get('users/'+id).then(res=>{
        console.log(res)
        if(res.data.meta.status !==200){
          return this.$message.error("查询用户失败")
        }else{
          this.editForm=res.data.data
        }
      })
      this.EditDialogVisible=true
      console.log(id)
    },
   async getUserList(){
     const {data:res} =await this.axios.get('users',
     {
       params:this.queryInfo
     })
     if(res.meta.status !==200)return this.$message.error("获取用户列表失败")
     this.userList=res.data.users
     this.total=res.data.total
    //  console.log(res)
    },
    // 监听pagesize改变的事件
    handleSizeChange(newSize){
      console.log(newSize)
      this.queryInfo.pagesize=newSize;
      // 数据改变重新渲染
      this.getUserList()
    },
    // 监听页码值改变的事件
    handleCurrentChange(newPage){
      console.log(newPage)
      this.queryInfo.pagenum=newPage
      this.getUserList()
    },
    // 监听switch开关状态的改变
    userStateChange(userInfo){
      console.log(userInfo)
      this.axios.put(`users/${userInfo.id}/state${userInfo.mg_state}`).then(res=>{
        console.log(res)
        if(res.data.meta.status !== 200) {
          userInfo.mg_state=!userInfo.mg_state;
          return this.$message.error("更新状态失败")
        }else{
          this.$message.success("更新状态成功")
        }
      })
    },
    // 监听添加用户对话框的关闭事件
    addDialogClosed(){
      this.$refs.addFormRef.resetFields()
    },
    // 监听修改用户对话框的关闭事件
    editDialogClosed(){
      this.$refs.editFormRef.resetFields()
    },
    // 点击添加新用户
    addUser(){
      // 进行表单的预校验
      this.$refs.addFormRef.validate(valid=>{
        console.log(valid)
        if(!valid)return
        //发起添加用户的网络请求
        this.axios.post('users',this.addForm).then(res=>{
          console.log(res)
          if(res.data.meta.status !== 200){
            this.$message.error("添加用户失败请稍后再试！")
            this.addDialogVisible=false
          }else{
            this.$message.success("添加用户成功")
            // 隐藏添加用户的对话框
            this.addDialogVisible=false
            // 重新获取用户的数据
            this.getUserList()
          }
        })
      })
    },
    // 修改用户信息并提交
    EditUserInfo(){
      this.$refs.editFormRef.validate(valid=>{
        console.log(valid)
        if(!valid){return}
        // 发起数据请求
        this.axios.put('users/'+this.editForm.id,{
          email:this.editForm.email,
          mobile:this.editForm.mobile
        }).then(res=>{
          console.log(res)
          if(res.data.meta.status !== 200){
            return this.$message.error("更新用户失败")
          }else{
            // 关闭对话框
            this.EditDialogVisible=false,
            // 刷新数据列表
            this.getUserList()
            // 提示用户信息
            this.$message.success("更新用户信息成功")
          }
        })
      })
    },
    // 根据id删除对用的用户
    removeUserById(id) {
      console.log(id)
      // 询问用户是否要删除用户
      this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(() => {
        this.$message({
          type: 'success',
          message: '删除成功!'
        });
        this.axios.delete('users/' +id).then(res=> {
          console.log(res)
          if(res.data.meta.status !== 200) {
            return this.$message.error("删除用户失败")
          }else{
            this.$message.success("删除用户成功")
            this.getUserList()
          }
        })
      }).catch(err =>err);
    },
    //展示分配角色对话框
    setRole(userInfo){
      this.userInfo=userInfo
      //在展示对话框之前,获取所有的角色列表,
      this.axios.get('roles').then(res=>{
        console.log(res);
        if(res.data.meta.status !== 200){
          return this.$message.error("获取角色失败")
        }
        this.rolesLost=res.data.data
      })
      this.setRoleDialogVisible=true
    },
    // 点击按钮分配角色
    saveRoleInfo(){
      // 判断用户是否选择了新角色
      if(!this.selectedRoleId){
        return this.$message.error("请选择要分配的角色")
      }
      this.axios.put(`users/${this.userInfo.id}/role`,{rid:this.selectedRoleId}).then(res=>{
        console.log(res)
        if(res.data.meta.status !== 200){
          return this.$message.error("更新角色失败")
        }
        this.$message.success("更新角色成功")
        this.getUserList()
        this.setRoleDialogVisible=false
      })
    },
    // 监听分配权限对话框的关闭事件
    setRoleDialogClosed(){
      this.selectedRoleId=''
      this.userInfo={}
    }
  }
}
</script>
<style lang="less" scoped></style>
